High quality special steel supplier.Old rev.
  • Certified Company

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

STS321TPY


STS321TPY material is KS D 3588 (2009) Large diameter welded stainless steel pipes Large diameter welded stainless steel pipes.

Chemical composition of STS321TPY, STS321TPY mechanical properties, STS321TPY datasheet, STS321TPY equivalent grade, Heat treatment and temperature process of STS321TPY.


STS321TPY property sheet

STS321TPY Spec.

KS D 3588 (2009)
Large diameter welded stainless steel pipes

Chemical Composition of STS321TPY

C: Max 0.08
Si: Max 1.00
Mn: Max 2.00
P: Max 0.045
S: Max 0.030
Cr: 17.00 19.00
Ni: 9.00 13.00
Mo: Max Min
N: Max Min
Ti: 5×C% Min

Mechanical Properties of STS321TPY

Rp0.2 (MPa) 829 (≥)
Rm (MPa) 932 (≥)
AKV (J) 44
A (%) 41
Z (%) 24
Hardness HBW 222

STS321TPY shape and dimensions

STS321TPY Round bar: 1mm-800mm
STS321TPY Square bar: 10mm * 10mm-600mm *600mm
STS321TPY Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS321TPY Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS321TPY Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS321TPY Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes